| http://www.w3.org/ns/prov#value | - Although not shown, additionally included within the unit is a keyboard and display including a recover switch which initiates the compressor, beginning the recycling processes; a vacuum pump timer which controls the run time of the vacuum pump from 5 minutes to 60 minutes; an evacuation switch which starts the vacuum pump; a main power switch which supplies electricity to the microprocessor contr
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